Finding the Fourth Proportional to 654,556.26, 903,281.99 and 368,070.20
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Solution
The fourth proportional to 654,556.26, 903,281.99 and 368,070.20 is: 507,933.69
Step by Step Solution
- Step 1: Write the proportion equation
654,556.26 : 903,281.99 = 368,070.20 : x - Step 2: Convert to fraction form
654,556.26/903,281.99 = 368,070.20/x - Step 3: Cross multiply
654,556.26x = 903,281.99 × 368,070.20 - Step 4: Simplify right side
654,556.26x = 332,471,176,358.94 - Step 5: Solve for x
x = 332,471,176,358.94/654,556.26 - Step 6: Final answer
x = 507,933.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.